The Ballot Brief
Sioux County, Iowa

Sioux County Treasurer

Zomermaand was on the November 3, 2026 ballot. Names follow official Sioux County election filings. Certified results will appear here once the election office certifies the count. Iowa certifies the general election by November 30, 2026; county canvasses are due November 10. Official results: electionresults.iowa.gov.

About this race

No Democrat filed. Republican Daniel D. Zomermaand ran unopposed in his party's primary (4,811 votes, 100%), per the county's official certified primary results.

What this office does

County treasurer. The county treasurer collects property taxes and other revenue, holds the county's funds, and invests them under state rules. The treasurer distributes tax collections to the county, cities, school districts and special districts that levy them. The office is a custodian of public money, not the body that sets the tax rate.

This race. Every voter in Sioux County votes on this seat. One name is on the ballot for this seat.

This list comes from official election records but may be incomplete. It can miss, for example, late or petition candidates and some city, school and district races. Your official sample ballot is the final word.

We use AI to research and write election information. Errors are possible. Verify important details with official sources.

Iowa › Sioux County › Sioux County Treasurer

Who won? The official answer comes November 30.

Iowa makes results final in three steps.
✓
Done · Nov 3
Votes were cast and counted
Election night totals are a first count, not the final one.
2
Happening now · by Nov 10
Sioux County double-checks its count
The county reviews mail ballots, provisional ballots and any recount, then sends official totals to the state.
3
Next · Nov 30
Iowa makes it official
The State board of canvassers certifies the result. The winner appears on this page that day.

What local news is reporting

Not official yetUpdated November 5, 2026

This report is cited to the outlet that published it. We do not call races. Official running count: Iowa official results.

Sioux County Treasurer
No report found yet

Reports are checked daily until Iowa certifies on November 30; a certified winner replaces the report on that day.

Daniel D. Zomermaand

Republican

Biography

Daniel D. Zomermaand serves as the current Sioux County Treasurer, per nwestiowa.com. No campaign website was found as of September 23, 2026.

Next on the ballotSioux County Recorder

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Voting info and more

Voting info and more
Questions about this race

Who is running for Sioux County Treasurer in 2026?

One candidate was tracked for Sioux County Treasurer on the November 3, 2026 ballot: Daniel D. Zomermaand. Candidate information follows official Sioux County election filings; verify with the official election office linked below.

When is the Sioux County Treasurer election in Iowa?

Election Day was Tuesday, November 3, 2026. Certified results will appear on this page as the election office certifies them. Iowa certifies the general election by November 30, 2026; county canvasses are due November 10. Official results: https://electionresults.iowa.gov/. Voting rules for Iowa are on the Iowa election hub at theballotbrief.com.

How do I see my exact Sioux County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Who won the Sioux County Treasurer race?

Not yet reported by the outlets we checked; Iowa certifies on November 30. We do not call races.

Verify this race

Candidate roster from official Sioux County and state election office filings, last verified October 24, 2026. Bios and priorities carry their attribution inline.

Cross-check with the official Iowa election office, or see the full Sioux County sample ballot and your exact ballot by address.

The rest of your Sioux County ballot

7 tracked races in Sioux County, Iowa. Landed here from another county's search? Look up your own ballot below.

Also on the November 3 ballot
Sioux County AttorneyIowa House District 3Iowa House District 4See all 7 Sioux County races
Candidate profiles
Daniel D. Zomermaand, full profileOfficial Iowa election office